The Giving Directory

Best animal welfare charities

25 animal welfare charities, ranked by rating, with Animal Charity Evaluators picks first. Every rating, EIN and filing was checked in October 2026.

  1. The Humane League

    Works to end the abuse of animals raised for food through corporate campaigns and grassroots advocacy.

    ACE Recommended Charity · 96/100 4 of 4 stars $18.5M revenue (2023) Global

  2. Wild Animal Initiative

    Funds and conducts research on how to improve the lives of wild animals.

    ACE Recommended Charity · 96/100 4 of 4 stars $7.0M revenue (2023) Global

  3. Blue Ridge Humane Society

    Improves animal welfare through adoption, community support, and education initiatives in Western North Carolina.

    100/100 4 of 4 stars $2.8M revenue (2023) United States

  4. Gulf Coast Humane Society

    Provides shelter, medical care, and adoption services for homeless animals in Southwest Florida.

    100/100 4 of 4 stars $3.3M revenue (2023) United States

  5. North Shore Animal League America

    No-kill animal rescue and adoption organization based in New York.

    100/100 4 of 4 stars $45.1M revenue (2023) United States

  6. Petco Love

    Funds local animal welfare organizations and lifesaving programs for pets.

    100/100 4 of 4 stars $36.0M revenue (2024) United States

  7. Animal Rescue League of Berks County

    Provides care, advocacy, and resources to improve the lives of animals in Berks County, Pennsylvania.

    99/100 4 of 4 stars $3.2M revenue (2024) United States

  8. ASPCA

    Works to rescue animals from abuse, pass humane laws, and share resources with shelters nationwide.

    99/100 4 of 4 stars $379.3M revenue (2023) United States

  9. Greenhill Humane Society

    Shelters and supports animals through adoption, crisis pet care, spay/neuter programs, and community services.

    99/100 4 of 4 stars $3.8M revenue (2023) United States

  10. Humane Society of the Pikes Peak Region

    Cares for homeless animals, promotes adoption, and provides education in Colorado Springs and surrounding areas.

    99/100 4 of 4 stars $21.6M revenue (2023) United States

  11. Humane World for Animals (formerly Humane Society of the United States)

    Fights for all animals through advocacy, education, and hands-on programs to protect companion animals, wildlife, and farm animals.

    99/100 4 of 4 stars $175.0M revenue (2023) United States

  12. Animal Welfare Institute

    Works to alleviate suffering inflicted on animals by people through advocacy, education, and research.

    98/100 4 of 4 stars $8.0M revenue (2024) United States

  13. Citizens for Animal Protection

    Shelters, rescues, and rehomes animals while promoting responsible pet ownership in the Houston area.

    98/100 4 of 4 stars $4.0M revenue (2023) United States

  14. Humane Society of North Texas

    Provides shelter, adoption, and care for animals while promoting compassion and responsible pet ownership.

    98/100 4 of 4 stars $8.6M revenue (2023) United States

  15. International Fund for Animal Welfare

    Rescues and rehabilitates animals and works on wildlife conservation and anti-poaching worldwide.

    98/100 4 of 4 stars $35.2M revenue (2023) Global

  16. American Humane

    Promotes animal welfare on farms, in zoos and on film sets, and supports military and service animals.

    97/100 4 of 4 stars $25.9M revenue (2023) United States

  17. Animal Rescue League of Boston

    Champions animal welfare through rescue, veterinary care, adoption services, and community outreach programs.

    97/100 4 of 4 stars $14.0M revenue (2023) United States

  18. Asheville Humane Society

    Rescues and rehomes animals in Buncombe County through adoption programs and community services.

    97/100 4 of 4 stars $4.7M revenue (2023) United States

  19. Best Friends Animal Society

    Operates the nation's largest sanctuary for homeless animals and works to end the killing of dogs and cats in shelters.

    96/100 4 of 4 stars $173.5M revenue (2023) United States

  20. Mercy For Animals

    Works to end the abuse of farmed animals through investigations and corporate campaigns.

    96/100 4 of 4 stars $10.2M revenue (2023) Global

  21. Jacksonville Humane Society

    Provides care, education, and resources to support pets and their people in Northeast Florida.

    95/100 4 of 4 stars $6.2M revenue (2022) United States

  22. San Diego Humane Society

    Provides adoption, rescue, and educational programs to enhance animal welfare throughout San Diego County.

    94/100 4 of 4 stars $67.2M revenue (2023) United States

  23. Humane Society of Greater Dayton

    Protects animals through sheltering, adoption, spaying and neutering services, and humane education.

    93/100 4 of 4 stars $4.0M revenue (2023) United States

  24. World Animal Protection

    Moves the world to protect animals by ending animal cruelty and suffering on a global scale.

    93/100 4 of 4 stars $5.8M revenue (2023) Global

  25. Farm Sanctuary

    Runs sanctuaries for rescued farm animals and advocates for farmed animal protection.

    91/100 4 of 4 stars $14.5M revenue (2023) United States

How to judge animal welfare charities

When evaluating animal welfare charities, look beyond shelter intake numbers. Strong organizations track outcomes — adoptions, returns-to-owner, transfers to partner rescues, and live-release rates — rather than just "animals helped." For advocacy-focused groups, ask about concrete policy wins or corporate commitments secured in the last two years. Animal Charity Evaluators is the most rigorous third-party evaluator for animal-focused giving.

What these charities do

Animal welfare organizations operate through a combination of direct sheltering, advocacy, undercover investigations, legislative campaigns, and corporate engagement. Most rely on a coalition of staff veterinarians, field investigators, attorneys, and volunteers. Funding typically supports veterinary care, facility costs, spay-and-neuter programs, lobbying for stronger animal protection laws, and public education campaigns aimed at reducing demand for products of cruelty.

  • Rescue, sheltering, and adoption programs for companion animals
  • Spay-and-neuter clinics that reduce shelter intake long-term
  • Investigations into factory farming and laboratory practices
  • Corporate campaigns pressuring retailers and producers to adopt higher welfare standards
  • Legislative advocacy for stronger animal protection laws at city, state, and federal levels

Ways to help beyond a donation

  • Set up a recurring monthly donation — predictable revenue is more useful than lump sums
  • Volunteer at a local shelter or affiliate (most need help with adoption events, transport, and fostering)
  • Foster animals during high-intake periods like summer kitten season
  • Donate supplies, blankets, or unused pet food directly to local shelters
  • Advocate for policy changes by contacting your state representatives

Frequently asked

What is the highest-rated animal welfare charity?

Among the 25 animal welfare charities in our directory, Blue Ridge Humane Society, Gulf Coast Humane Society, North Shore Animal League America and Petco Love share the highest Charity Navigator score, 100%. The Humane League and Wild Animal Initiative are also recommended by Animal Charity Evaluators, which ranks charities by cost-effectiveness rather than accountability. Ratings checked October 2026.

How many animal welfare charities have a 4-star rating?

25 of the 25 animal welfare charities we list hold Charity Navigator's top rating of 4 stars. Each charity's page shows its exact score, its EIN and its recent Form 990 financials.

How do I choose a animal welfare charity?

When evaluating animal welfare charities, look beyond shelter intake numbers. Strong organizations track outcomes — adoptions, returns-to-owner, transfers to partner rescues, and live-release rates — rather than just "animals helped." For advocacy-focused groups, ask about concrete policy wins or corporate commitments secured in the last two years. Animal Charity Evaluators is the most rigorous third-party evaluator for animal-focused giving.

How we rank: GiveWell and Animal Charity Evaluators picks come first, then charities by Charity Navigator's overall score. Financials come from each charity's IRS Form 990, via ProPublica Nonprofit Explorer. More on our method.

Other causes